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Subject: Re: The Stats just don't add up......

Author: Bryan Hofmann

Date: 18:08:05 02/21/05

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On February 20, 2005 at 19:56:51, Peter Skinner wrote:

>On February 20, 2005 at 14:48:24, mike schoonover wrote:
>
>>hi all,
>>been noticing this problem for a while with crafty.
>>exits in ics mode quite freaquently.
>>more with the newer ones.
>>see:http://wbforum.volker-pittlik.name/viewtopic.php?t=1680
>>it is not compile pessific.
>>just wondering,is this a crafty or wb problem.
>>help appreciated.
>>regards
>>mike
>
>I read your post on the wb forums, and the replies by Bryan Hoffman.
>
>I decided to test his version vs mine on the same computer, as I haven't done it
>in a while.  Here are the results:
>--------------------------------------------------------------------------------
>unable to open book file [./book.bin].
>book is disabled
>unable to open book file [./books.bin].
>hash table memory =   24M bytes.
>pawn hash table memory =    6M bytes.
>
>Crafty v19.19 BH
>
>White(1): bench
>Running benchmark. . .
>......
>Total nodes: 89729038
>Raw nodes per second: 766914
>Total elapsed time: 117
>SMP time-to-ply measurement: 5.470085
>White(1):
>
>EPD Kit revision date: 1996.04.21
>unable to open book file [./book.bin].
>book is disabled
>unable to open book file [./books.bin].
>hash table memory =   24M bytes.
>pawn hash table memory =    6M bytes.
>
>Crafty v19.19 (1 cpus)
>
>White(1): bench
>Running benchmark. . .
>......
>Total nodes: 89729038
>Raw nodes per second: 787096
>Total elapsed time: 114
>SMP time-to-ply measurement: 5.614035
>White(1):
>-------------------------------------------------------------------------------
>
>Mine still seems slightly faster, and is the default compile with VC++ 2005
>Express.
>
>Using these options:
>
>cl /Ox /O2 /GL /Gs /GA /GF /GT /Gr /MT /w /DNT_i386 /DWIN32 /D_CONSOLE /DWINDOWS
>/DFAST /DEGTB6 /DEPD /DFUTILITY /DVC_INLINE_ASM crafty.obj egtb.obj
>
>Peter

I find this hard to believe as I just ran your compile vs my compile on two
different systems and Intel Pentium 4 2.8 GHz and a AMD 3000+ XP system. I'm
using the full VC 2005 with POGO. The largest difference is in the AMD and I
sure this is due to the POGO is being done on the AMD system.


AMD 3000+ XP

Skinners
Crafty v19.19

White(1): ben
Running benchmark. . .
......
Total nodes: 96761642
Raw nodes per second: 1256644
Total elapsed time: 77
SMP time-to-ply measurement: 8.311688
White(1): quit

Crafty v19.19 BH

White(1): ben
Running benchmark. . .
......
Total nodes: 96761642
Raw nodes per second: 1362840
Total elapsed time: 71
SMP time-to-ply measurement: 9.014085




Pentium 4 2.8GHz

Skinners
EPD Kit revision date: 1996.04.21
unable to open book file [./book.bin].
book is disabled
unable to open book file [./books.bin]

Crafty v19.19

White(1): ben
Running benchmark. . .
......
Total nodes: 96761642
Raw nodes per second: 1018543
Total elapsed time: 95
SMP time-to-ply measurement: 6.736842
White(1): quit

Mine
unable to open book file [./book.bin].
book is disabled
unable to open book file [./books.bin]

Crafty v19.19 BH

White(1): ben
Running benchmark. . .
......
Total nodes: 96761642
Raw nodes per second: 1063314
Total elapsed time: 91
SMP time-to-ply measurement: 7.032967
White(1):



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